A Chicago-led IBM and University of Chicago experiment claims a quantum advantage milestone with 70 logical qubits and built-in error verification.

Surveillance video shows thieves breaking into a Chicago Lawn smoke shop. The footage offers few clues about what was taken or who was responsible.

A black SUV smashed into a South Side gas station before dawn, but the suspects left empty-handed.

A Des Plaines school district says an outside fraud scheme drained $3.2 million. Most of the money may still come back.

Giant iridescent bubbles are transforming the Chicago Botanic Garden into a playful summer art walk through September 20.

Malik Wrightsell’s lawyer disputes the official account of a South Side police shooting and says a wounded officer was not shot by her client.

Chicago’s immigration court issued 6,012 in-absentia removal orders in June as mega hearings crowded dockets and advocates warned of missed notices.

A stranded boat at North Avenue Beach survived a tow boat, excavator and a trench dug through the sand. Now its owner is planning one last removal attempt.

A missing-person call led DeKalb police to an upside-down vehicle in a creek, where a man was found dead and a 1-year-old was airlifted.

Chicago is weighing taller, smarter fare gates modeled on systems in New York and the Bay Area. A pilot could arrive early next year.

A Crystal Lake daycare operator was convicted after a jury heard evidence about a baby’s fractured rib, prior healing injuries and disturbing daycare video.

Hundreds of riders were filmed weaving through traffic and popping wheelies on the Dan Ryan after police cleared a Posen gas station gathering.

Two people were found fatally shot inside a Harvey home, where two wounded dogs were also discovered. Police said no suspects were in custody Thursday.